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BSP 최초 추가
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config BR2_TARGET_ROOTFS_CPIO
bool "cpio the root filesystem (for use as an initial RAM filesystem)"
help
Build a cpio archive of the root filesystem. This is typically
used for an initial RAM filesystem that is passed to the kernel
by the bootloader.
if BR2_TARGET_ROOTFS_CPIO
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_CPIO_NONE
help
Select compressor for cpio filesystem of the root filesystem.
If you use the cpio archive as an initial RAM filesystem, make
sure the kernel contains the decompression algorithm selected
here.
config BR2_TARGET_ROOTFS_CPIO_NONE
bool "no compression"
help
Do not compress the cpio filesystem.
config BR2_TARGET_ROOTFS_CPIO_GZIP
bool "gzip"
help
Do compress the cpio filesystem with gzip.
config BR2_TARGET_ROOTFS_CPIO_BZIP2
bool "bzip2"
help
Do compress the cpio filesystem with bzip2.
config BR2_TARGET_ROOTFS_CPIO_LZMA
bool "lzma"
help
Do compress the cpio filesystem with lzma.
config BR2_TARGET_ROOTFS_CPIO_LZO
bool "lzo"
help
Do compress the cpio filesystem with lzop.
config BR2_TARGET_ROOTFS_CPIO_XZ
bool "xz"
help
Do compress the cpio filesystem with xz.
endchoice
config BR2_TARGET_ROOTFS_CPIO_UIMAGE
bool "Create U-Boot image of the root filesystem"
select BR2_PACKAGE_HOST_UBOOT_TOOLS
help
Add a U-Boot header to the cpio root filesystem. This allows
the initramfs to be loaded with the bootm command in U-Boot.
The U-Boot image will be called rootfs.cpio.uboot
endif # BR2_TARGET_ROOTFS_CPIO
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